JPS6272003U - - Google Patents

Info

Publication number
JPS6272003U
JPS6272003U JP16374785U JP16374785U JPS6272003U JP S6272003 U JPS6272003 U JP S6272003U JP 16374785 U JP16374785 U JP 16374785U JP 16374785 U JP16374785 U JP 16374785U JP S6272003 U JPS6272003 U JP S6272003U
Authority
JP
Japan
Prior art keywords
piezoelectric actuator
liquid chamber
annular
hydraulic
gripped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP16374785U
Other languages
Japanese (ja)
Other versions
JPH0212007Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP16374785U priority Critical patent/JPH0212007Y2/ja
Publication of JPS6272003U publication Critical patent/JPS6272003U/ja
Application granted granted Critical
Publication of JPH0212007Y2 publication Critical patent/JPH0212007Y2/ja
Expired legal-status Critical Current

Links

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  • Gripping On Spindles (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案に係る液圧チヤツク装置の実施例
を示すものであり、第１図、第２図は内径保持方
式の断面図、第３図、第４図は外径保持方式の断
面図である。 符号、１，１３はチヤツク本体、２，１４はシ
エル、３，１５は環状油室、４，１６は通路、６
，１７，１８はねじ、７，１９は圧電アクチユエ
ータ、９，２１はコントローラ、１１，２４はピ
ストンである。 The drawings show an embodiment of the hydraulic chuck device according to the present invention, and FIGS. 1 and 2 are sectional views of the inner diameter holding type, and FIGS. 3 and 4 are sectional views of the outer diameter holding type. be. 1 and 13 are chuck bodies, 2 and 14 are shells, 3 and 15 are annular oil chambers, 4 and 16 are passages, and 6
, 17 and 18 are screws, 7 and 19 are piezoelectric actuators, 9 and 21 are controllers, and 11 and 24 are pistons.

Claims (1)

【実用新案登録請求の範囲】 １ 被把持体を保持するシエルとチヤツク本体と
の間に環状液室を形成し、該環状液室の液圧によ
り前記シエルを変形させて被把持体に対する保持
力を発生させる液圧チヤツク装置において、前記
環状液室に通ずる通路内に体積膨張型圧電アクチ
ユエータを配設し、該圧電アクチユエータの駆動
により液圧を調節するようにしたことを特徴とす
る液圧チヤツク装置。 ２ 前記環状液室に通ずる通路にピストンを嵌合
し、前記圧電アクチユエータの変位による加圧力
を前記ピストンを介して液体に伝達するようにし
た実用新案登録請求の範囲第１項に記載の液圧チ
ヤツク装置。[Claims for Utility Model Registration] 1. An annular liquid chamber is formed between a shell that holds an object to be gripped and the chuck body, and the shell is deformed by the hydraulic pressure of the annular liquid chamber to create a holding force for the object to be gripped. A hydraulic chuck device for generating fluid pressure, characterized in that a volume expansion type piezoelectric actuator is disposed in a passage leading to the annular fluid chamber, and the fluid pressure is adjusted by driving the piezoelectric actuator. Device. 2. The hydraulic system according to claim 1, wherein a piston is fitted into a passageway communicating with the annular liquid chamber, and the pressurizing force caused by the displacement of the piezoelectric actuator is transmitted to the liquid via the piston. chuck device.
JP16374785U 1985-10-25 1985-10-25 Expired JPH0212007Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16374785U JPH0212007Y2 (en) 1985-10-25 1985-10-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16374785U JPH0212007Y2 (en) 1985-10-25 1985-10-25

Publications (2)

Publication Number Publication Date
JPS6272003U true JPS6272003U (en) 1987-05-08
JPH0212007Y2 JPH0212007Y2 (en) 1990-04-04

Family

ID=31092231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16374785U Expired JPH0212007Y2 (en) 1985-10-25 1985-10-25

Country Status (1)

Country Link
JP (1) JPH0212007Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015037697A1 (en) * 2013-09-13 2015-03-19 三菱マテリアル株式会社 Cutting tool
JP2019038066A (en) * 2017-08-25 2019-03-14 株式会社 神崎高級工機製作所 Work-piece supporting tool and gear processing device equipped with same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015037697A1 (en) * 2013-09-13 2015-03-19 三菱マテリアル株式会社 Cutting tool
JP2015054385A (en) * 2013-09-13 2015-03-23 三菱マテリアル株式会社 Cutting tool
JP2019038066A (en) * 2017-08-25 2019-03-14 株式会社 神崎高級工機製作所 Work-piece supporting tool and gear processing device equipped with same

Also Published As

Publication number Publication date
JPH0212007Y2 (en) 1990-04-04

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